/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2011-2013 ForgeRock AS
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*/
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package org.opends.server.replication.protocol;
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/**
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* The version utility class for the replication protocol.
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*/
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public class ProtocolVersion
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{
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/**
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* The constant for the first historical version of the replication protocol.
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*/
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public static final short REPLICATION_PROTOCOL_V1 = 1;
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/**
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* The constant for the real value of the first historical version of the
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* replication protocol (was used in start messages only).
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*/
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public static final short REPLICATION_PROTOCOL_V1_REAL = 49;
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/**
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* The constant for the second version of the replication protocol.
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* Add fields in the header for assured replication.
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*/
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public static final short REPLICATION_PROTOCOL_V2 = 2;
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/**
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* The constant for the 3rd version of the replication protocol.
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* Add messages for remote ECL : not used as of today.
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*/
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public static final short REPLICATION_PROTOCOL_V3 = 3;
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/**
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* The constant for the 4th version of the replication protocol.
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* - Add to the body of the ADD/MOD/MODDN/DEL msgs, a list of attribute for
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* ECL entry attributes.
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* - Modified algorithm for choosing a RS to connect to: introduction of a
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* ReplicationServerDSMsg message.
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* -> also added of the server URL in RSInfo of TopologyMsg
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* - Introduction of a StopMsg for proper connections ending.
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* - Initialization failover/flow control
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*/
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public static final short REPLICATION_PROTOCOL_V4 = 4;
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/**
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* The constant for the 5th version of the replication protocol.
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* - Add support for wild-cards in change log included attributes
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* - Add support for specifying additional included attributes for deletes
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* - See OPENDJ-194.
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*/
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public static final short REPLICATION_PROTOCOL_V5 = 5;
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/**
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* The constant for the 6th version of the replication protocol.
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* - include DS local URL in the DSInfo of TopologyMsg.
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*/
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public static final short REPLICATION_PROTOCOL_V6 = 6;
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/**
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* The constant for the 7th version of the replication protocol.
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* - compact encoding for length, CSNs, and server IDs.
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*/
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public static final short REPLICATION_PROTOCOL_V7 = 7;
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/**
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* The replication protocol version used by the instance of RS/DS in this VM.
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*/
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private static final short CURRENT_VERSION = REPLICATION_PROTOCOL_V7;
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/**
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* Gets the current version of the replication protocol.
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*
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* @return The current version of the protocol.
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*/
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public static short getCurrentVersion()
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{
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return CURRENT_VERSION;
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}
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/**
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* Specifies the oldest version of the protocol from the provided one
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* and the current one.
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*
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* @param version The version to be compared to the current one.
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* @return The minimal protocol version.
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*/
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public static short getCompatibleVersion(short version)
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{
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return (version < CURRENT_VERSION ? version : CURRENT_VERSION);
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}
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}
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